From 767f4f4c04b160e4b7e829af47676965fa04d205 Mon Sep 17 00:00:00 2001
From: Yohan Boujon <yo.boujon@gmail.com>
Date: Fri, 13 Oct 2023 09:40:39 +0200
Subject: [PATCH] Day 4 Part 1

---
 rust/day4/Cargo.lock  |    7 +
 rust/day4/Cargo.toml  |   11 +
 rust/day4/exemple     |    6 +
 rust/day4/input       | 1000 +++++++++++++++++++++++++++++++++++++++++
 rust/day4/src/main.rs |   28 ++
 5 files changed, 1052 insertions(+)
 create mode 100644 rust/day4/Cargo.lock
 create mode 100644 rust/day4/Cargo.toml
 create mode 100644 rust/day4/exemple
 create mode 100644 rust/day4/input
 create mode 100644 rust/day4/src/main.rs

diff --git a/rust/day4/Cargo.lock b/rust/day4/Cargo.lock
new file mode 100644
index 0000000..91d4e8b
--- /dev/null
+++ b/rust/day4/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "aoc-day4"
+version = "0.1.0"
diff --git a/rust/day4/Cargo.toml b/rust/day4/Cargo.toml
new file mode 100644
index 0000000..da7c8fa
--- /dev/null
+++ b/rust/day4/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "aoc-day4"
+version = "0.1.0"
+edition = "2021"
+authors = ["Yohan Boujon <yoboujon@gmail.com>"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+[workspace]
diff --git a/rust/day4/exemple b/rust/day4/exemple
new file mode 100644
index 0000000..99a66c5
--- /dev/null
+++ b/rust/day4/exemple
@@ -0,0 +1,6 @@
+2-4,6-8
+2-3,4-5
+5-7,7-9
+2-8,3-7
+6-6,4-6
+2-6,4-8
\ No newline at end of file
diff --git a/rust/day4/input b/rust/day4/input
new file mode 100644
index 0000000..f0f5469
--- /dev/null
+++ b/rust/day4/input
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/rust/day4/src/main.rs b/rust/day4/src/main.rs
new file mode 100644
index 0000000..9c8f5a1
--- /dev/null
+++ b/rust/day4/src/main.rs
@@ -0,0 +1,28 @@
+use std::fs::read_to_string;
+
+fn convert(vec: &Vec<&str>, index: usize, str_index: usize) -> u32 {
+    let two_num: Vec<&str> = vec[index].split("-").collect();
+    two_num[str_index].parse().unwrap()
+}
+
+fn first_part(str: &String) {
+    let mut count = 0;
+    let pairs: Vec<Vec<&str>> = str
+        .split("\r\n")
+        .map(|ch| ch.split(",").collect())
+        .collect();
+    for pair in &pairs {
+        if convert(pair, 0, 0) <= convert(pair, 1, 0) && convert(pair, 0, 1) >= convert(pair, 1, 1)
+            || convert(pair, 0, 0) >= convert(pair, 1, 0)
+                && convert(pair, 0, 1) <= convert(pair, 1, 1)
+        {
+            count += 1;
+        }
+    }
+    println!("Final Count: {}", count);
+}
+
+fn main() {
+    let file_content = read_to_string("input").unwrap();
+    first_part(&file_content);
+}